/Engine/Source/Runtime/Core/Public/Misc/Attribute.h
Helper function for creating TAttributes from a const member function pointer, accessed through a weak pointer to the shared object
template<typename SourceType, typename SourceTypeOrBase, typename... PayloadTypes> static [TAttribute](API\Runtime\Core\Misc\TAttribute) CreateSP ( const SourceType * InObject, ObjectType(SourceTypeOrBase::*)(PayloadTypes...) const InMethod, typename [TDecay](API\Runtime\Core\ProfilingDebugging\TDecay)< PayloadTypes >::Type... InputPayload )